Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641398 | Dental materials containing a tear-off material | Gerhard Zanghellini | 2003-11-04 |
| 6638069 | Shaping cap for dental pin structures | Gerhard Zanghellini | 2003-10-28 |
| 6635691 | Dental material containing a component which contracts during thermal treatment | Gerhard Zanghellini | 2003-10-21 |